var province = document.querySelector('.province');
var area = document.querySelector('.area');
var special =document.querySelector('.special');
province.onmouseover = function(){
    area.style.display = "block";
    province.style.border="1px solid black";
    province.style.borderBottom="none";
    special.innerHTML="&#9650"
    special.style.color="red";
}
province.onmouseout =function(){
    area.style.display="none";
    province.style.border="none";
    special.innerHTML="&#9660"
    special.style.color="black";
}
   

